From expert to CLI
Obviously, you want to enable yourself to use the CLI as well, and this can be done by running the CLI-shell /etc/cli.sh

login as: gos
This system is for authorized use only.
gos@10.10.10.1's password: SuperSecretPassword
Last login: Wed May 30 22:40:17 2012 from 172.2.1.123
[Expert@GaiaFW01]#
[Expert@GaiaFW01]# echo We are in expert-mode!
We are in expert-mode!
[Expert@GaiaFW01]# /etc/cli.sh
GaiaFW01>
GaiaFW01> exit
[Expert@GaiaFW01]#

Drop me an e-mail or leave a comment if you got any further questions. =)